Onzenna Blog

Pregnancy

Week-by-week guides from 4 to 40, plus the stuff nobody warns you about: first-trimester survival, glucose tests, preeclampsia signs, cramps that are fine and cramps that aren't.

4 Weeks Pregnant: First Signs, Symptoms, and What’s Actually Happening in Your Body
Pregnancy

4 Weeks Pregnant: First Signs, Symptoms, and What’s Actually Happening in Your Body

At 4 weeks pregnant, you're probably not as far along as you think—pregnancy is dated from your last period, not conception. ...

6 Weeks Pregnant: What’s Happening to Your Body and Baby Right Now
Pregnancy

6 Weeks Pregnant: What’s Happening to Your Body and Baby Right Now

At 6 weeks pregnant, your embryo is about 4 to 5 millimeters with a beating heart and rapidly forming organs. This guide covers...

8 Weeks Pregnant: What to Expect, Why You’re Exhausted, and Your First Ultrasound
Pregnancy

8 Weeks Pregnant: What to Expect, Why You’re Exhausted, and Your First Ultrasound

At 8 weeks pregnant, your baby is about the size of a raspberry with a beating heart visible on ultrasound, while your hormones...

10 Weeks Pregnant: What’s Happening With Your Body and Baby Right Now
Pregnancy

10 Weeks Pregnant: What’s Happening With Your Body and Baby Right Now

At 10 weeks pregnant, your baby has all major organs formed and a detectable heartbeat, but you might feel completely exhausted...

11 Weeks Pregnant: What to Expect as You Near the End of Your First Trimester
Pregnancy

11 Weeks Pregnant: What to Expect as You Near the End of Your First Trimester

At 11 weeks pregnant, your baby is the size of a lime with nearly all major organs in place and functioning. Learn what to expe...

12 Weeks Pregnant: What to Expect at the End of Your First Trimester
Pregnancy

12 Weeks Pregnant: What to Expect at the End of Your First Trimester

At 12 weeks pregnant, your baby has all major organs and visible facial features. This week typically includes your first trime...

13 Weeks Pregnant: What to Expect as You Enter the Second Trimester
Pregnancy

13 Weeks Pregnant: What to Expect as You Enter the Second Trimester

Week 13 marks the start of your second trimester when your baby's organs are essentially complete and weighs about one ounce. A...

14 Weeks Pregnant: Welcome to the Second Trimester — What to Expect Now
Pregnancy

14 Weeks Pregnant: Welcome to the Second Trimester — What to Expect Now

At 14 weeks pregnant, you've officially entered the second trimester — a shift marked by relief from first-trimester symptoms...

15 Weeks Pregnant: When Baby Moves, Your Body Shifts, and Energy Finally Returns
Pregnancy

15 Weeks Pregnant: When Baby Moves, Your Body Shifts, and Energy Finally Returns

At 15 weeks pregnant, your baby is about four inches long with hardening bones, forming taste buds, and early sensory developme...

16 Weeks Pregnant: What to Expect With Baby Movement, Bump Growth, and Body Changes
Pregnancy

16 Weeks Pregnant: What to Expect With Baby Movement, Bump Growth, and Body Changes

At 16 weeks pregnant, your baby is the size of an avocado with fully formed features and an active nervous system. Learn what t...

17 Weeks Pregnant: When You’ll Feel Quickening and What’s Happening With Your Baby
Pregnancy

17 Weeks Pregnant: When You’ll Feel Quickening and What’s Happening With Your Baby

At 17 weeks pregnant, your baby is roughly the size of a pear with fingerprints already forming and a nervous system taking con...

18 Weeks Pregnant: What to Expect, Baby Movements, and Your Anatomy Scan
Pregnancy

18 Weeks Pregnant: What to Expect, Baby Movements, and Your Anatomy Scan

At 18 weeks pregnant, your baby is roughly the size of a sweet potato with major nervous system development underway. This is t...

19 Weeks Pregnant: You’re Halfway There — What to Expect This Week
Pregnancy

19 Weeks Pregnant: You’re Halfway There — What to Expect This Week

At 19 weeks pregnant, your baby is about 6 inches long with functioning organs and developing senses. Your body is showing visi...

20 Weeks Pregnant: What to Expect at the Halfway Point
Pregnancy

20 Weeks Pregnant: What to Expect at the Halfway Point

At 20 weeks pregnant, you're officially halfway through your pregnancy. Your baby weighs about 10 ounces, their organs are prac...